Paris Observatory Geodetic VLBI Center

 

Radio source coordinate time series for 2021+317 (independent mode)

Data - Demeaned data - BVID - NED - MOJAVE - SIMBAD - PanSTARRS-1

Right ascension: 305.8292388450377°
Declination: 31.8839738701540°
No. sessions: 53
No. delays: 1485
Defining: No
RMS(α cos δ) = 1.8154 mas
RMS(δ) = 4.9272 mas

Observed in only 53 session(s)


Quarterly time series for 2021+317

Data - Demeaned data

Right ascension: 305.8292389229080°
Declination: 31.8839739086999°
No. sessions: 53
No. delays: 1485
Defining: No
RMS(α cos δ) = 0.3695 mas
RMS(δ) = 0.3798 mas

Observed in only 53 session(s)